155 lines
4.1 KiB
C
155 lines
4.1 KiB
C
/*
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* Copyright (C) 2018 Facebook
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*
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* This file is part of libbtrfsutil.
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*
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* libbtrfsutil is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* libbtrfsutil is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "btrfsutilpy.h"
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static void QgroupInherit_dealloc(QgroupInherit *self)
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{
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btrfs_util_destroy_qgroup_inherit(self->inherit);
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Py_TYPE(self)->tp_free((PyObject *)self);
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}
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static int QgroupInherit_init(QgroupInherit *self, PyObject *args,
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PyObject *kwds)
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{
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static char *keywords[] = {NULL};
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enum btrfs_util_error err;
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if (!PyArg_ParseTupleAndKeywords(args, kwds, ":QgroupInherit",
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keywords))
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return -1;
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err = btrfs_util_create_qgroup_inherit(0, &self->inherit);
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if (err) {
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SetFromBtrfsUtilError(err);
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return -1;
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}
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return 0;
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}
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static PyObject *QgroupInherit_getattro(QgroupInherit *self, PyObject *nameobj)
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{
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const char *name = "";
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if (PyUnicode_Check(nameobj)) {
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name = PyUnicode_AsUTF8(nameobj);
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if (!name)
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return NULL;
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}
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if (strcmp(name, "groups") == 0) {
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PyObject *ret, *tmp;
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const uint64_t *arr;
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size_t n, i;
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btrfs_util_qgroup_inherit_get_groups(self->inherit, &arr, &n);
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ret = PyList_New(n);
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if (!ret)
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return NULL;
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for (i = 0; i < n; i++) {
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tmp = PyLong_FromUnsignedLongLong(arr[i]);
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if (!tmp) {
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Py_DECREF(ret);
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return NULL;
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}
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PyList_SET_ITEM(ret, i, tmp);
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}
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return ret;
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} else {
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return PyObject_GenericGetAttr((PyObject *)self, nameobj);
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}
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}
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static PyObject *QgroupInherit_add_group(QgroupInherit *self, PyObject *args,
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PyObject *kwds)
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{
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static char *keywords[] = {"qgroupid", NULL};
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enum btrfs_util_error err;
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uint64_t qgroupid;
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if (!PyArg_ParseTupleAndKeywords(args, kwds, "K:add_group", keywords,
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&qgroupid))
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return NULL;
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err = btrfs_util_qgroup_inherit_add_group(&self->inherit, qgroupid);
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if (err) {
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SetFromBtrfsUtilError(err);
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return NULL;
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}
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Py_RETURN_NONE;
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}
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static PyMethodDef QgroupInherit_methods[] = {
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{"add_group", (PyCFunction)QgroupInherit_add_group,
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METH_VARARGS | METH_KEYWORDS,
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"add_group(qgroupid)\n\n"
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"Add a qgroup to inherit from.\n\n"
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"Arguments:\n"
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"qgroupid -- ID of qgroup to add"},
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{},
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};
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#define QgroupInherit_DOC \
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"QgroupInherit() -> new qgroup inheritance specifier\n\n" \
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"Create a new object which specifies what qgroups to inherit\n" \
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"from for create_subvolume() and create_snapshot()"
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PyTypeObject QgroupInherit_type = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"btrfsutil.QgroupInherit", /* tp_name */
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sizeof(QgroupInherit), /* tp_basicsize */
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0, /* tp_itemsize */
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(destructor)QgroupInherit_dealloc, /* tp_dealloc */
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NULL, /* tp_print */
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NULL, /* tp_getattr */
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NULL, /* tp_setattr */
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NULL, /* tp_as_async */
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NULL, /* tp_repr */
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NULL, /* tp_as_number */
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NULL, /* tp_as_sequence */
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NULL, /* tp_as_mapping */
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NULL, /* tp_hash */
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NULL, /* tp_call */
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NULL, /* tp_str */
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(getattrofunc)QgroupInherit_getattro, /* tp_getattro */
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NULL, /* tp_setattro */
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NULL, /* tp_as_buffer */
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Py_TPFLAGS_DEFAULT, /* tp_flags */
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QgroupInherit_DOC, /* tp_doc */
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NULL, /* tp_traverse */
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NULL, /* tp_clear */
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NULL, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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NULL, /* tp_iter */
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NULL, /* tp_iternext */
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QgroupInherit_methods, /* tp_methods */
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NULL, /* tp_members */
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NULL, /* tp_getset */
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NULL, /* tp_base */
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NULL, /* tp_dict */
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NULL, /* tp_descr_get */
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NULL, /* tp_descr_set */
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0, /* tp_dictoffset */
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(initproc)QgroupInherit_init, /* tp_init */
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};
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